"impossible pie" meaning in English

{
  "forms": [
    {
      "form": "impossible pies",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "impossible pie (plural impossible pies)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Cooking",
          "orig": "en:Cooking",
          "parents": [
            "Food and drink",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A kind of custard pie that forms its own hardened \"crust\" during baking."
      ],
      "id": "en-impossible_pie-en-noun-HiNB5N3v",
      "links": [
        [
          "cooking",
          "cooking#Noun"
        ],
        [
          "custard pie",
          "custard pie"
        ],
        [
          "crust",
          "crust"
        ],
        [
          "baking",
          "bake"
        ]
      ],
      "raw_glosses": [
        "(cooking) A kind of custard pie that forms its own hardened \"crust\" during baking."
      ],
      "topics": [
        "cooking",
        "food",
        "lifestyle"
      ]
    }
  ],
  "word": "impossible pie"
}

{
  "forms": [
    {
      "form": "impossible pies",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "impossible pie (plural impossible pies)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "en:Cooking"
      ],
      "glosses": [
        "A kind of custard pie that forms its own hardened \"crust\" during baking."
      ],
      "links": [
        [
          "cooking",
          "cooking#Noun"
        ],
        [
          "custard pie",
          "custard pie"
        ],
        [
          "crust",
          "crust"
        ],
        [
          "baking",
          "bake"
        ]
      ],
      "raw_glosses": [
        "(cooking) A kind of custard pie that forms its own hardened \"crust\" during baking."
      ],
      "topics": [
        "cooking",
        "food",
        "lifestyle"
      ]
    }
  ],
  "word": "impossible pie"
}